Article History
Received: 5 June 2024
Accepted: 9 November 2024
First Online: 20 November 2024
Competing interests
: The authors declare no competing interests.
: Approval for all data collection activities was obtained from the Stanford University Institutional Review Board (Protocol ID 25734) on October 26, 2012, and renewed annually. The procedure used in this study adhere to the tents of the declaration of Helsinki.
: Informed consent was obtained from all participating caregivers for both their own and their children involvement before the data was collected. We informed each participant of their rights, the purpose of the study and to safeguard their personal information.